prosody-modules
3fe4ca2b55c2
mod_firewall/conditions.lib.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody-modules

Annotate

mod_firewall/conditions.lib.lua @ 2529:3fe4ca2b55c2

mod_firewall: Add 'SENT DIRECTED PRESENCE TO SENDER?'
author Matthew Wild <mwild1@gmail.com>
date Mon, 20 Feb 2017 09:32:48 +0000
parent 2528:44a71584521d
child 2534:13b8c31dce01
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2125
edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it
Matthew Wild <mwild1@gmail.com>
parents: 2119
diff changeset
1 --luacheck: globals meta idsafe
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
2 local condition_handlers = {};
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
4 local jid = require "util.jid";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5
2342
6848297cf40a mod_firewall: Add conditions for testing whether a sender of a stanza is in the recipient's roster (or in a certain roster group)
Matthew Wild <mwild1@gmail.com>
parents: 2128
diff changeset
6 -- Helper to convert user-input strings (yes/true//no/false) to a bool
6848297cf40a mod_firewall: Add conditions for testing whether a sender of a stanza is in the recipient's roster (or in a certain roster group)
Matthew Wild <mwild1@gmail.com>
parents: 2128
diff changeset
7 local function string_to_boolean(s)
6848297cf40a mod_firewall: Add conditions for testing whether a sender of a stanza is in the recipient's roster (or in a certain roster group)
Matthew Wild <mwild1@gmail.com>
parents: 2128
diff changeset
8 s = s:lower();
6848297cf40a mod_firewall: Add conditions for testing whether a sender of a stanza is in the recipient's roster (or in a certain roster group)
Matthew Wild <mwild1@gmail.com>
parents: 2128
diff changeset
9 return s == "yes" or s == "true";
6848297cf40a mod_firewall: Add conditions for testing whether a sender of a stanza is in the recipient's roster (or in a certain roster group)
Matthew Wild <mwild1@gmail.com>
parents: 2128
diff changeset
10 end
6848297cf40a mod_firewall: Add conditions for testing whether a sender of a stanza is in the recipient's roster (or in a certain roster group)
Matthew Wild <mwild1@gmail.com>
parents: 2128
diff changeset
11
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12 -- Return a code string for a condition that checks whether the contents
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13 -- of variable with the name 'name' matches any of the values in the
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14 -- comma/space/pipe delimited list 'values'.
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15 local function compile_comparison_list(name, values)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16 local conditions = {};
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17 for value in values:gmatch("[^%s,|]+") do
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18 table.insert(conditions, ("%s == %q"):format(name, value));
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
19 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
20 return table.concat(conditions, " or ");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
21 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 function condition_handlers.KIND(kind)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
24 return compile_comparison_list("name", kind), { "name" };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
25 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
26
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
27 local wildcard_equivs = { ["*"] = ".*", ["?"] = "." };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
29 local function compile_jid_match_part(part, match)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
30 if not match then
2071
4161ff87e5a4 mod_firewall/conditions: Add semicolon
Kim Alvefur <zash@zash.se>
parents: 2070
diff changeset
31 return part.." == nil";
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
32 end
2072
eda5c54dfa30 mod_firewall: Anchor pattern at beginning and end
Kim Alvefur <zash@zash.se>
parents: 2071
diff changeset
33 local pattern = match:match("^<(.*)>$");
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
34 if pattern then
962
93ffa3ffc66f mod_firewall/conditions: Support Lua patterns in JID matching, and make <*>@example.com NOT match example.com
Matthew Wild <mwild1@gmail.com>
parents: 954
diff changeset
35 if pattern == "*" then
93ffa3ffc66f mod_firewall/conditions: Support Lua patterns in JID matching, and make <*>@example.com NOT match example.com
Matthew Wild <mwild1@gmail.com>
parents: 954
diff changeset
36 return part;
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
37 end
2070
2356114ff505 mod_firewall: Optimize string match operations, string.find is faster than .match since no string is returned
Kim Alvefur <zash@zash.se>
parents: 2036
diff changeset
38 if pattern:find("^<.*>$") then
962
93ffa3ffc66f mod_firewall/conditions: Support Lua patterns in JID matching, and make <*>@example.com NOT match example.com
Matthew Wild <mwild1@gmail.com>
parents: 954
diff changeset
39 pattern = pattern:match("^<(.*)>$");
93ffa3ffc66f mod_firewall/conditions: Support Lua patterns in JID matching, and make <*>@example.com NOT match example.com
Matthew Wild <mwild1@gmail.com>
parents: 954
diff changeset
40 else
93ffa3ffc66f mod_firewall/conditions: Support Lua patterns in JID matching, and make <*>@example.com NOT match example.com
Matthew Wild <mwild1@gmail.com>
parents: 954
diff changeset
41 pattern = pattern:gsub("%p", "%%%0"):gsub("%%(%p)", wildcard_equivs);
93ffa3ffc66f mod_firewall/conditions: Support Lua patterns in JID matching, and make <*>@example.com NOT match example.com
Matthew Wild <mwild1@gmail.com>
parents: 954
diff changeset
42 end
2074
86427261e3c4 mod_firewall: Use string.find in JID match, faster since the result is unused
Kim Alvefur <zash@zash.se>
parents: 2073
diff changeset
43 return ("(%s and %s:find(%q))"):format(part, part, "^"..pattern.."$");
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
44 else
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
45 return ("%s == %q"):format(part, match);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
46 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
47 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
48
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
49 local function compile_jid_match(which, match_jid)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
50 local match_node, match_host, match_resource = jid.split(match_jid);
963
c7fca2c9e24f mod_firewall/conditions: Don't use table.insert, so things are happy when compile_jid_match() returns nil
Matthew Wild <mwild1@gmail.com>
parents: 962
diff changeset
51 local conditions = {};
c7fca2c9e24f mod_firewall/conditions: Don't use table.insert, so things are happy when compile_jid_match() returns nil
Matthew Wild <mwild1@gmail.com>
parents: 962
diff changeset
52 conditions[#conditions+1] = compile_jid_match_part(which.."_node", match_node);
c7fca2c9e24f mod_firewall/conditions: Don't use table.insert, so things are happy when compile_jid_match() returns nil
Matthew Wild <mwild1@gmail.com>
parents: 962
diff changeset
53 conditions[#conditions+1] = compile_jid_match_part(which.."_host", match_host);
c7fca2c9e24f mod_firewall/conditions: Don't use table.insert, so things are happy when compile_jid_match() returns nil
Matthew Wild <mwild1@gmail.com>
parents: 962
diff changeset
54 if match_resource then
c7fca2c9e24f mod_firewall/conditions: Don't use table.insert, so things are happy when compile_jid_match() returns nil
Matthew Wild <mwild1@gmail.com>
parents: 962
diff changeset
55 conditions[#conditions+1] = compile_jid_match_part(which.."_resource", match_resource);
c7fca2c9e24f mod_firewall/conditions: Don't use table.insert, so things are happy when compile_jid_match() returns nil
Matthew Wild <mwild1@gmail.com>
parents: 962
diff changeset
56 end
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
57 return table.concat(conditions, " and ");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
58 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
59
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
60 function condition_handlers.TO(to)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
61 return compile_jid_match("to", to), { "split_to" };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
62 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
63
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
64 function condition_handlers.FROM(from)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
65 return compile_jid_match("from", from), { "split_from" };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
66 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
67
2036
7ba6ed553c93 mod_firewall/conditions: Add FROM_EXACTLY and TO_EXACTLY
Matthew Wild <mwild1@gmail.com>
parents: 997
diff changeset
68 function condition_handlers.FROM_EXACTLY(from)
7ba6ed553c93 mod_firewall/conditions: Add FROM_EXACTLY and TO_EXACTLY
Matthew Wild <mwild1@gmail.com>
parents: 997
diff changeset
69 return ("from == %q"):format(from), { "from" };
7ba6ed553c93 mod_firewall/conditions: Add FROM_EXACTLY and TO_EXACTLY
Matthew Wild <mwild1@gmail.com>
parents: 997
diff changeset
70 end
7ba6ed553c93 mod_firewall/conditions: Add FROM_EXACTLY and TO_EXACTLY
Matthew Wild <mwild1@gmail.com>
parents: 997
diff changeset
71
7ba6ed553c93 mod_firewall/conditions: Add FROM_EXACTLY and TO_EXACTLY
Matthew Wild <mwild1@gmail.com>
parents: 997
diff changeset
72 function condition_handlers.TO_EXACTLY(to)
7ba6ed553c93 mod_firewall/conditions: Add FROM_EXACTLY and TO_EXACTLY
Matthew Wild <mwild1@gmail.com>
parents: 997
diff changeset
73 return ("to == %q"):format(to), { "to" };
7ba6ed553c93 mod_firewall/conditions: Add FROM_EXACTLY and TO_EXACTLY
Matthew Wild <mwild1@gmail.com>
parents: 997
diff changeset
74 end
7ba6ed553c93 mod_firewall/conditions: Add FROM_EXACTLY and TO_EXACTLY
Matthew Wild <mwild1@gmail.com>
parents: 997
diff changeset
75
2465
bd69ffe071e6 mod_firewall: Add 'TO SELF' check ('NOT TO?' worked until commit 9159f9166893)
Matthew Wild <mwild1@gmail.com>
parents: 2403
diff changeset
76 function condition_handlers.TO_SELF()
bd69ffe071e6 mod_firewall: Add 'TO SELF' check ('NOT TO?' worked until commit 9159f9166893)
Matthew Wild <mwild1@gmail.com>
parents: 2403
diff changeset
77 return ("to == nil");
bd69ffe071e6 mod_firewall: Add 'TO SELF' check ('NOT TO?' worked until commit 9159f9166893)
Matthew Wild <mwild1@gmail.com>
parents: 2403
diff changeset
78 end
bd69ffe071e6 mod_firewall: Add 'TO SELF' check ('NOT TO?' worked until commit 9159f9166893)
Matthew Wild <mwild1@gmail.com>
parents: 2403
diff changeset
79
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
80 function condition_handlers.TYPE(type)
979
cec42f884475 mod_firewall: The default value of the 'type' attribute on message stanzas is 'normal'
Kim Alvefur <zash@zash.se>
parents: 971
diff changeset
81 return compile_comparison_list("(type or (name == 'message' and 'normal') or (name == 'presence' and 'available'))", type), { "type", "name" };
964
04e85eb3dfef mod_firewall/conditions: Default types for message and presence
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
82 end
965
d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone).
Matthew Wild <mwild1@gmail.com>
parents: 964
diff changeset
83
d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone).
Matthew Wild <mwild1@gmail.com>
parents: 964
diff changeset
84 local function zone_check(zone, which)
d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone).
Matthew Wild <mwild1@gmail.com>
parents: 964
diff changeset
85 local which_not = which == "from" and "to" or "from";
d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone).
Matthew Wild <mwild1@gmail.com>
parents: 964
diff changeset
86 return ("(zone_%s[%s_host] or zone_%s[%s] or zone_%s[bare_%s]) "
2119
5f6c18fd0161 mod_firewall: Correct zone condition to check bare JID
Kim Alvefur <zash@zash.se>
parents: 2116
diff changeset
87 .."and not(zone_%s[%s_host] or zone_%s[%s] or zone_%s[bare_%s])"
965
d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone).
Matthew Wild <mwild1@gmail.com>
parents: 964
diff changeset
88 )
d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone).
Matthew Wild <mwild1@gmail.com>
parents: 964
diff changeset
89 :format(zone, which, zone, which, zone, which,
d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone).
Matthew Wild <mwild1@gmail.com>
parents: 964
diff changeset
90 zone, which_not, zone, which_not, zone, which_not), {
d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone).
Matthew Wild <mwild1@gmail.com>
parents: 964
diff changeset
91 "split_to", "split_from", "bare_to", "bare_from", "zone:"..zone
d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone).
Matthew Wild <mwild1@gmail.com>
parents: 964
diff changeset
92 };
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
93 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
94
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
95 function condition_handlers.ENTERING(zone)
965
d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone).
Matthew Wild <mwild1@gmail.com>
parents: 964
diff changeset
96 return zone_check(zone, "to");
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
97 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
98
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
99 function condition_handlers.LEAVING(zone)
965
d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone).
Matthew Wild <mwild1@gmail.com>
parents: 964
diff changeset
100 return zone_check(zone, "from");
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
101 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
102
2342
6848297cf40a mod_firewall: Add conditions for testing whether a sender of a stanza is in the recipient's roster (or in a certain roster group)
Matthew Wild <mwild1@gmail.com>
parents: 2128
diff changeset
103 function condition_handlers.IN_ROSTER(yes_no)
6848297cf40a mod_firewall: Add conditions for testing whether a sender of a stanza is in the recipient's roster (or in a certain roster group)
Matthew Wild <mwild1@gmail.com>
parents: 2128
diff changeset
104 local in_roster_requirement = string_to_boolean(yes_no);
6848297cf40a mod_firewall: Add conditions for testing whether a sender of a stanza is in the recipient's roster (or in a certain roster group)
Matthew Wild <mwild1@gmail.com>
parents: 2128
diff changeset
105 return "not "..(in_roster_requirement and "not" or "").." roster_entry", { "roster_entry" };
6848297cf40a mod_firewall: Add conditions for testing whether a sender of a stanza is in the recipient's roster (or in a certain roster group)
Matthew Wild <mwild1@gmail.com>
parents: 2128
diff changeset
106 end
6848297cf40a mod_firewall: Add conditions for testing whether a sender of a stanza is in the recipient's roster (or in a certain roster group)
Matthew Wild <mwild1@gmail.com>
parents: 2128
diff changeset
107
6848297cf40a mod_firewall: Add conditions for testing whether a sender of a stanza is in the recipient's roster (or in a certain roster group)
Matthew Wild <mwild1@gmail.com>
parents: 2128
diff changeset
108 function condition_handlers.IN_ROSTER_GROUP(group)
6848297cf40a mod_firewall: Add conditions for testing whether a sender of a stanza is in the recipient's roster (or in a certain roster group)
Matthew Wild <mwild1@gmail.com>
parents: 2128
diff changeset
109 return ("not not (roster_entry and roster_entry.groups[%q])"):format(group), { "roster_entry" };
6848297cf40a mod_firewall: Add conditions for testing whether a sender of a stanza is in the recipient's roster (or in a certain roster group)
Matthew Wild <mwild1@gmail.com>
parents: 2128
diff changeset
110 end
6848297cf40a mod_firewall: Add conditions for testing whether a sender of a stanza is in the recipient's roster (or in a certain roster group)
Matthew Wild <mwild1@gmail.com>
parents: 2128
diff changeset
111
2403
f96bdfd81eba mod_firewall: SUBSCRIBED - condition that is true if the receiver of a stanza is subscribed to the sender
Kim Alvefur <zash@zash.se>
parents: 2386
diff changeset
112 function condition_handlers.SUBSCRIBED()
f96bdfd81eba mod_firewall: SUBSCRIBED - condition that is true if the receiver of a stanza is subscribed to the sender
Kim Alvefur <zash@zash.se>
parents: 2386
diff changeset
113 return "rostermanager.is_contact_subscribed(to_node, to_host, bare_from)",
f96bdfd81eba mod_firewall: SUBSCRIBED - condition that is true if the receiver of a stanza is subscribed to the sender
Kim Alvefur <zash@zash.se>
parents: 2386
diff changeset
114 { "rostermanager", "split_to", "bare_from" };
f96bdfd81eba mod_firewall: SUBSCRIBED - condition that is true if the receiver of a stanza is subscribed to the sender
Kim Alvefur <zash@zash.se>
parents: 2386
diff changeset
115 end
f96bdfd81eba mod_firewall: SUBSCRIBED - condition that is true if the receiver of a stanza is subscribed to the sender
Kim Alvefur <zash@zash.se>
parents: 2386
diff changeset
116
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
117 function condition_handlers.PAYLOAD(payload_ns)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
118 return ("stanza:get_child(nil, %q)"):format(payload_ns);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
119 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
120
954
bec5b6e2eab8 mod_firewall: Add INSPECT conditional, for deeper inspection of stanzas
Kim Alvefur <zash@zash.se>
parents: 947
diff changeset
121 function condition_handlers.INSPECT(path)
bec5b6e2eab8 mod_firewall: Add INSPECT conditional, for deeper inspection of stanzas
Kim Alvefur <zash@zash.se>
parents: 947
diff changeset
122 if path:find("=") then
2386
00eed68f63bf mod_firewall: INSPECT: support for literal substring search and expressions
Matthew Wild <mwild1@gmail.com>
parents: 2363
diff changeset
123 local query, match_type, value = path:match("(.-)([~/$]*)=(.*)");
2362
c065ab67d807 mod_firewall: INSPECT: Emit compilation error when the given stanza path is used for comparison but doesn't return a string
Matthew Wild <mwild1@gmail.com>
parents: 2342
diff changeset
124 if not(query:match("#$") or query:match("@[^/]+")) then
c065ab67d807 mod_firewall: INSPECT: Emit compilation error when the given stanza path is used for comparison but doesn't return a string
Matthew Wild <mwild1@gmail.com>
parents: 2342
diff changeset
125 error("Stanza path does not return a string (append # for text content or @name for value of named attribute)", 0);
c065ab67d807 mod_firewall: INSPECT: Emit compilation error when the given stanza path is used for comparison but doesn't return a string
Matthew Wild <mwild1@gmail.com>
parents: 2342
diff changeset
126 end
2519
d4bc434a60a4 mod_firewall: Update functions that use meta() to allow functions with deps inside expressions
Matthew Wild <mwild1@gmail.com>
parents: 2465
diff changeset
127 local meta_deps = {};
2386
00eed68f63bf mod_firewall: INSPECT: support for literal substring search and expressions
Matthew Wild <mwild1@gmail.com>
parents: 2363
diff changeset
128 local quoted_value = ("%q"):format(value);
00eed68f63bf mod_firewall: INSPECT: support for literal substring search and expressions
Matthew Wild <mwild1@gmail.com>
parents: 2363
diff changeset
129 if match_type:find("$", 1, true) then
00eed68f63bf mod_firewall: INSPECT: support for literal substring search and expressions
Matthew Wild <mwild1@gmail.com>
parents: 2363
diff changeset
130 match_type = match_type:gsub("%$", "");
2519
d4bc434a60a4 mod_firewall: Update functions that use meta() to allow functions with deps inside expressions
Matthew Wild <mwild1@gmail.com>
parents: 2465
diff changeset
131 quoted_value = meta(quoted_value, meta_deps);
2386
00eed68f63bf mod_firewall: INSPECT: support for literal substring search and expressions
Matthew Wild <mwild1@gmail.com>
parents: 2363
diff changeset
132 end
00eed68f63bf mod_firewall: INSPECT: support for literal substring search and expressions
Matthew Wild <mwild1@gmail.com>
parents: 2363
diff changeset
133 if match_type == "~" then -- Lua pattern match
2519
d4bc434a60a4 mod_firewall: Update functions that use meta() to allow functions with deps inside expressions
Matthew Wild <mwild1@gmail.com>
parents: 2465
diff changeset
134 return ("(stanza:find(%q) or ''):match(%s)"):format(query, quoted_value), meta_deps;
2386
00eed68f63bf mod_firewall: INSPECT: support for literal substring search and expressions
Matthew Wild <mwild1@gmail.com>
parents: 2363
diff changeset
135 elseif match_type == "/" then -- find literal substring
2519
d4bc434a60a4 mod_firewall: Update functions that use meta() to allow functions with deps inside expressions
Matthew Wild <mwild1@gmail.com>
parents: 2465
diff changeset
136 return ("(stanza:find(%q) or ''):find(%s, 1, true)"):format(query, quoted_value), meta_deps;
2386
00eed68f63bf mod_firewall: INSPECT: support for literal substring search and expressions
Matthew Wild <mwild1@gmail.com>
parents: 2363
diff changeset
137 elseif match_type == "" then -- exact match
2519
d4bc434a60a4 mod_firewall: Update functions that use meta() to allow functions with deps inside expressions
Matthew Wild <mwild1@gmail.com>
parents: 2465
diff changeset
138 return ("stanza:find(%q) == %s"):format(query, quoted_value), meta_deps;
2109
9db4113d0cb5 mod_firewall: INSPECT: Support for pattern matches (confusingly using ~= instead of =)
Matthew Wild <mwild1@gmail.com>
parents: 2107
diff changeset
139 else
2386
00eed68f63bf mod_firewall: INSPECT: support for literal substring search and expressions
Matthew Wild <mwild1@gmail.com>
parents: 2363
diff changeset
140 error("Unrecognised comparison '"..match_type.."='", 0);
2109
9db4113d0cb5 mod_firewall: INSPECT: Support for pattern matches (confusingly using ~= instead of =)
Matthew Wild <mwild1@gmail.com>
parents: 2107
diff changeset
141 end
954
bec5b6e2eab8 mod_firewall: Add INSPECT conditional, for deeper inspection of stanzas
Kim Alvefur <zash@zash.se>
parents: 947
diff changeset
142 end
bec5b6e2eab8 mod_firewall: Add INSPECT conditional, for deeper inspection of stanzas
Kim Alvefur <zash@zash.se>
parents: 947
diff changeset
143 return ("stanza:find(%q)"):format(path);
bec5b6e2eab8 mod_firewall: Add INSPECT conditional, for deeper inspection of stanzas
Kim Alvefur <zash@zash.se>
parents: 947
diff changeset
144 end
bec5b6e2eab8 mod_firewall: Add INSPECT conditional, for deeper inspection of stanzas
Kim Alvefur <zash@zash.se>
parents: 947
diff changeset
145
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
146 function condition_handlers.FROM_GROUP(group_name)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
147 return ("group_contains(%q, bare_from)"):format(group_name), { "group_contains", "bare_from" };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
148 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
149
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
150 function condition_handlers.TO_GROUP(group_name)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
151 return ("group_contains(%q, bare_to)"):format(group_name), { "group_contains", "bare_to" };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
152 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
153
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
154 function condition_handlers.FROM_ADMIN_OF(host)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
155 return ("is_admin(bare_from, %s)"):format(host ~= "*" and host or nil), { "is_admin", "bare_from" };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
156 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
157
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
158 function condition_handlers.TO_ADMIN_OF(host)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
159 return ("is_admin(bare_to, %s)"):format(host ~= "*" and host or nil), { "is_admin", "bare_to" };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
160 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
161
968
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
162 local day_numbers = { sun = 0, mon = 2, tue = 3, wed = 4, thu = 5, fri = 6, sat = 7 };
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
163
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
164 local function current_time_check(op, hour, minute)
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
165 hour, minute = tonumber(hour), tonumber(minute);
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
166 local adj_op = op == "<" and "<" or ">="; -- Start time inclusive, end time exclusive
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
167 if minute == 0 then
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
168 return "(current_hour"..adj_op..hour..")";
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
169 else
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
170 return "((current_hour"..op..hour..") or (current_hour == "..hour.." and current_minute"..adj_op..minute.."))";
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
171 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
172 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
173
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
174 local function resolve_day_number(day_name)
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
175 return assert(day_numbers[day_name:sub(1,3):lower()], "Unknown day name: "..day_name);
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
176 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
177
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
178 function condition_handlers.DAY(days)
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
179 local conditions = {};
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
180 for day_range in days:gmatch("[^,]+") do
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
181 local day_start, day_end = day_range:match("(%a+)%s*%-%s*(%a+)");
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
182 if day_start and day_end then
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
183 local day_start_num, day_end_num = resolve_day_number(day_start), resolve_day_number(day_end);
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
184 local op = "and";
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
185 if day_end_num < day_start_num then
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
186 op = "or";
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
187 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
188 table.insert(conditions, ("current_day >= %d %s current_day <= %d"):format(day_start_num, op, day_end_num));
2070
2356114ff505 mod_firewall: Optimize string match operations, string.find is faster than .match since no string is returned
Kim Alvefur <zash@zash.se>
parents: 2036
diff changeset
189 elseif day_range:find("%a") then
968
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
190 local day = resolve_day_number(day_range:match("%a+"));
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
191 table.insert(conditions, "current_day == "..day);
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
192 else
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
193 error("Unable to parse day/day range: "..day_range);
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
194 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
195 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
196 assert(#conditions>0, "Expected a list of days or day ranges");
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
197 return "("..table.concat(conditions, ") or (")..")", { "time:day" };
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
198 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
199
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
200 function condition_handlers.TIME(ranges)
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
201 local conditions = {};
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
202 for range in ranges:gmatch("([^,]+)") do
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
203 local clause = {};
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
204 range = range:lower()
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
205 :gsub("(%d+):?(%d*) *am", function (h, m) return tostring(tonumber(h)%12)..":"..(tonumber(m) or "00"); end)
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
206 :gsub("(%d+):?(%d*) *pm", function (h, m) return tostring(tonumber(h)%12+12)..":"..(tonumber(m) or "00"); end);
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
207 local start_hour, start_minute = range:match("(%d+):(%d+) *%-");
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
208 local end_hour, end_minute = range:match("%- *(%d+):(%d+)");
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
209 local op = tonumber(start_hour) > tonumber(end_hour) and " or " or " and ";
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
210 if start_hour and end_hour then
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
211 table.insert(clause, current_time_check(">", start_hour, start_minute));
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
212 table.insert(clause, current_time_check("<", end_hour, end_minute));
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
213 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
214 if #clause == 0 then
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
215 error("Unable to parse time range: "..range);
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
216 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
217 table.insert(conditions, "("..table.concat(clause, " "..op.." ")..")");
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
218 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
219 return table.concat(conditions, " or "), { "time:hour,min" };
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
220 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
221
2128
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
222 function condition_handlers.LIMIT(spec)
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
223 local name, param = spec:match("^(%w+) on (.+)$");
2519
d4bc434a60a4 mod_firewall: Update functions that use meta() to allow functions with deps inside expressions
Matthew Wild <mwild1@gmail.com>
parents: 2465
diff changeset
224 local meta_deps = {};
2128
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
225
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
226 if not name then
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
227 name = spec:match("^%w+$");
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
228 if not name then
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
229 error("Unable to parse LIMIT specification");
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
230 end
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
231 else
2519
d4bc434a60a4 mod_firewall: Update functions that use meta() to allow functions with deps inside expressions
Matthew Wild <mwild1@gmail.com>
parents: 2465
diff changeset
232 param = meta(("%q"):format(param), meta_deps);
2128
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
233 end
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
234
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
235 if not param then
2519
d4bc434a60a4 mod_firewall: Update functions that use meta() to allow functions with deps inside expressions
Matthew Wild <mwild1@gmail.com>
parents: 2465
diff changeset
236 return ("not global_throttle_%s:poll(1)"):format(name), { "globalthrottle:"..name, unpack(meta_deps) };
2128
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
237 end
2519
d4bc434a60a4 mod_firewall: Update functions that use meta() to allow functions with deps inside expressions
Matthew Wild <mwild1@gmail.com>
parents: 2465
diff changeset
238 return ("not multi_throttle_%s:poll_on(%s, 1)"):format(name, param), { "multithrottle:"..name, unpack(meta_deps) };
971
53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables
Matthew Wild <mwild1@gmail.com>
parents: 968
diff changeset
239 end
53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables
Matthew Wild <mwild1@gmail.com>
parents: 968
diff changeset
240
2107
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
241 function condition_handlers.ORIGIN_MARKED(name_and_time)
2127
59023dffbdd4 mod_firewall: Allow underscore in mark names (thanks Ge0rG)
Matthew Wild <mwild1@gmail.com>
parents: 2125
diff changeset
242 local name, time = name_and_time:match("^%s*([%w_]+)%s+%(([^)]+)s%)%s*$");
2107
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
243 if not name then
2127
59023dffbdd4 mod_firewall: Allow underscore in mark names (thanks Ge0rG)
Matthew Wild <mwild1@gmail.com>
parents: 2125
diff changeset
244 name = name_and_time:match("^%s*([%w_]+)%s*$");
2107
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
245 end
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
246 if not name then
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
247 error("Error parsing mark name, see documentation for usage examples");
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
248 end
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
249 if time then
2116
2bb42ba342f3 mod_firewall: Fix usage of incorrect variable current_time in ORIGIN_MARKED condition (thanks Ge0rG)
Matthew Wild <mwild1@gmail.com>
parents: 2109
diff changeset
250 return ("(current_timestamp - (session.firewall_marked_%s or 0)) < %d"):format(idsafe(name), tonumber(time)), { "timestamp" };
2107
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
251 end
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
252 return ("not not session.firewall_marked_"..idsafe(name));
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
253 end
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
254
2529
3fe4ca2b55c2 mod_firewall: Add 'SENT DIRECTED PRESENCE TO SENDER?'
Matthew Wild <mwild1@gmail.com>
parents: 2528
diff changeset
255 function condition_handlers.SENT_DIRECTED_PRESENCE_TO_SENDER(jid)
3fe4ca2b55c2 mod_firewall: Add 'SENT DIRECTED PRESENCE TO SENDER?'
Matthew Wild <mwild1@gmail.com>
parents: 2528
diff changeset
256 local meta_deps = {};
3fe4ca2b55c2 mod_firewall: Add 'SENT DIRECTED PRESENCE TO SENDER?'
Matthew Wild <mwild1@gmail.com>
parents: 2528
diff changeset
257 jid = meta(("%q"):format(jid), meta_deps);
3fe4ca2b55c2 mod_firewall: Add 'SENT DIRECTED PRESENCE TO SENDER?'
Matthew Wild <mwild1@gmail.com>
parents: 2528
diff changeset
258 return "not not session.directed[jid]", meta_deps;
3fe4ca2b55c2 mod_firewall: Add 'SENT DIRECTED PRESENCE TO SENDER?'
Matthew Wild <mwild1@gmail.com>
parents: 2528
diff changeset
259 end
3fe4ca2b55c2 mod_firewall: Add 'SENT DIRECTED PRESENCE TO SENDER?'
Matthew Wild <mwild1@gmail.com>
parents: 2528
diff changeset
260
2520
c6fd8975704b mod_firewall: Initial support for lists, in-memory and HTTP
Matthew Wild <mwild1@gmail.com>
parents: 2519
diff changeset
261 -- CHECK LIST: spammers contains $<@from>
c6fd8975704b mod_firewall: Initial support for lists, in-memory and HTTP
Matthew Wild <mwild1@gmail.com>
parents: 2519
diff changeset
262 function condition_handlers.CHECK_LIST(list_condition)
c6fd8975704b mod_firewall: Initial support for lists, in-memory and HTTP
Matthew Wild <mwild1@gmail.com>
parents: 2519
diff changeset
263 local list_name, expr = list_condition:match("(%S+) contains (.+)$");
2521
66b81e144ded mod_firewall: Fix CHECK LIST syntax check
Matthew Wild <mwild1@gmail.com>
parents: 2520
diff changeset
264 if not (list_name and expr) then
2520
c6fd8975704b mod_firewall: Initial support for lists, in-memory and HTTP
Matthew Wild <mwild1@gmail.com>
parents: 2519
diff changeset
265 error("Error parsing list check, syntax: LISTNAME contains EXPRESSION");
c6fd8975704b mod_firewall: Initial support for lists, in-memory and HTTP
Matthew Wild <mwild1@gmail.com>
parents: 2519
diff changeset
266 end
c6fd8975704b mod_firewall: Initial support for lists, in-memory and HTTP
Matthew Wild <mwild1@gmail.com>
parents: 2519
diff changeset
267 local meta_deps = {};
c6fd8975704b mod_firewall: Initial support for lists, in-memory and HTTP
Matthew Wild <mwild1@gmail.com>
parents: 2519
diff changeset
268 expr = meta(("%q"):format(expr), meta_deps);
c6fd8975704b mod_firewall: Initial support for lists, in-memory and HTTP
Matthew Wild <mwild1@gmail.com>
parents: 2519
diff changeset
269 return ("list_%s:contains(%s) == true"):format(list_name, expr), { "list:"..list_name, unpack(meta_deps) };
c6fd8975704b mod_firewall: Initial support for lists, in-memory and HTTP
Matthew Wild <mwild1@gmail.com>
parents: 2519
diff changeset
270 end
c6fd8975704b mod_firewall: Initial support for lists, in-memory and HTTP
Matthew Wild <mwild1@gmail.com>
parents: 2519
diff changeset
271
2528
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list
Matthew Wild <mwild1@gmail.com>
parents: 2521
diff changeset
272 -- SCAN: body for word in badwords
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list
Matthew Wild <mwild1@gmail.com>
parents: 2521
diff changeset
273 function condition_handlers.SCAN(scan_expression)
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list
Matthew Wild <mwild1@gmail.com>
parents: 2521
diff changeset
274 local search_name, pattern_name, list_name = scan_expression:match("(%S+) for (%S+) in (%S+)$");
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list
Matthew Wild <mwild1@gmail.com>
parents: 2521
diff changeset
275 if not (search_name) then
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list
Matthew Wild <mwild1@gmail.com>
parents: 2521
diff changeset
276 error("Error parsing SCAN expression, syntax: SEARCH for PATTERN in LIST");
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list
Matthew Wild <mwild1@gmail.com>
parents: 2521
diff changeset
277 end
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list
Matthew Wild <mwild1@gmail.com>
parents: 2521
diff changeset
278 return ("scan_list(%s, %s)"):format(list_name, "tokens_"..search_name.."_"..pattern_name), { "scan_list", "tokens:"..search_name.."_"..pattern_name, "list:"..list_name };
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list
Matthew Wild <mwild1@gmail.com>
parents: 2521
diff changeset
279 end
44a71584521d mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list
Matthew Wild <mwild1@gmail.com>
parents: 2521
diff changeset
280
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
281 return condition_handlers;